11505433253142 has 32 divisors (see below), whose sum is σ = 23055714206208. Its totient is φ = 3827670343776.

The previous prime is 11505433253089. The next prime is 11505433253159. The reversal of 11505433253142 is 24135233450511.

It is a self number, because there is not a number n which added to its sum of digits gives 11505433253142.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 117855283 + ... + 117952865.

It is an arithmetic number, because the mean of its divisors is an integer number (720491068944).

Almost surely, 2^{11505433253142} is an apocalyptic number.

11505433253142 is an abundant number, since it is smaller than the sum of its proper divisors (11550280953066).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11505433253142 is a wasteful number, since it uses less digits than its factorization.

11505433253142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135684.

The product of its (nonzero) digits is 216000, while the sum is 39.

The spelling of 11505433253142 in words is "eleven trillion, five hundred five billion, four hundred thirty-three million, two hundred fifty-three thousand, one hundred forty-two".